DE69227552D1 - Dauerhafte Filtrationsmembrane mit optimiertem Molekulargewicht - Google Patents
Dauerhafte Filtrationsmembrane mit optimiertem MolekulargewichtInfo
- Publication number
- DE69227552D1 DE69227552D1 DE69227552T DE69227552T DE69227552D1 DE 69227552 D1 DE69227552 D1 DE 69227552D1 DE 69227552 T DE69227552 T DE 69227552T DE 69227552 T DE69227552 T DE 69227552T DE 69227552 D1 DE69227552 D1 DE 69227552D1
- Authority
- DE
- Germany
- Prior art keywords
- molecular weight
- less
- polymer
- molecules
- number average
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000012528 membrane Substances 0.000 title abstract 3
- 238000001914 filtration Methods 0.000 title abstract 2
- 229920000642 polymer Polymers 0.000 abstract 5
- 239000000203 mixture Substances 0.000 abstract 3
- 239000004695 Polyether sulfone Substances 0.000 abstract 1
- 230000015556 catabolic process Effects 0.000 abstract 1
- 238000009833 condensation Methods 0.000 abstract 1
- 230000005494 condensation Effects 0.000 abstract 1
- 238000005336 cracking Methods 0.000 abstract 1
- 238000006731 degradation reaction Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- 238000001471 micro-filtration Methods 0.000 abstract 1
- 238000001728 nano-filtration Methods 0.000 abstract 1
- 229920000110 poly(aryl ether sulfone) Polymers 0.000 abstract 1
- 229920002492 poly(sulfone) Polymers 0.000 abstract 1
- 229920006393 polyether sulfone Polymers 0.000 abstract 1
- 238000001556 precipitation Methods 0.000 abstract 1
- 238000001223 reverse osmosis Methods 0.000 abstract 1
- 238000000926 separation method Methods 0.000 abstract 1
- 238000000108 ultra-filtration Methods 0.000 abstract 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
- B01D71/06—Organic material
- B01D71/66—Polymers having sulfur in the main chain, with or without nitrogen, oxygen or carbon only
- B01D71/68—Polysulfones; Polyethersulfones
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D67/00—Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
- B01D67/0002—Organic membrane manufacture
- B01D67/0009—Organic membrane manufacture by phase separation, sol-gel transition, evaporation or solvent quenching
- B01D67/0011—Casting solutions therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2323/00—Details relating to membrane preparation
- B01D2323/12—Specific ratios of components used
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2323/00—Details relating to membrane preparation
- B01D2323/34—Use of radiation
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/249921—Web or sheet containing structurally defined element or component
- Y10T428/249953—Composite having voids in a component [e.g., porous, cellular, etc.]
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Dispersion Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Polymers With Sulfur, Phosphorus Or Metals In The Main Chain (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/746,696 US5279739A (en) | 1991-08-19 | 1991-08-19 | Durable filtration membrane having optimized molecular weight |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69227552D1 true DE69227552D1 (de) | 1998-12-17 |
DE69227552T2 DE69227552T2 (de) | 1999-04-29 |
Family
ID=25001947
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69227552T Expired - Fee Related DE69227552T2 (de) | 1991-08-19 | 1992-08-04 | Dauerhafte Filtrationsmembrane mit optimiertem Molekulargewicht |
Country Status (9)
Country | Link |
---|---|
US (1) | US5279739A (de) |
EP (1) | EP0528582B1 (de) |
JP (1) | JP3215512B2 (de) |
AT (1) | ATE173178T1 (de) |
AU (1) | AU644966B2 (de) |
CA (1) | CA2071559A1 (de) |
DE (1) | DE69227552T2 (de) |
DK (1) | DK0528582T3 (de) |
NZ (1) | NZ243182A (de) |
Families Citing this family (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5178765A (en) * | 1991-09-18 | 1993-01-12 | Gelman Sciences Inc. | Hydrophilic membranes prepared from polyethersulfone/poly-2-oxazoline/polyvinylpyrrolidone blend |
DE4219218A1 (de) * | 1992-06-12 | 1994-01-13 | Gambro Dialysatoren | Membran und Verfahren zu deren Herstellung |
DE4422158A1 (de) * | 1994-06-24 | 1996-01-04 | Hoechst Ag | Homogene Polymerlegierungen auf der Basis von sulfonierten, aromatischen Polyetherketonen |
US5811224A (en) * | 1994-08-24 | 1998-09-22 | Bayer Corporation | Process for rejuvenating developer in printing plate development |
US7144505B2 (en) * | 1997-09-18 | 2006-12-05 | Baxter International Inc. | Melt-spun polysulfone semipermeable membranes and methods for making the same |
US6218441B1 (en) * | 1997-09-18 | 2001-04-17 | Timothy B. Meluch | Melt-spun polysulfone semipermeable membranes and methods for making the same |
US6264809B1 (en) | 1998-10-30 | 2001-07-24 | Pti Advanced Filtration, Inc. | Enhanced membrane electrode devices useful for electrodeposition coating |
DE10304365A1 (de) * | 2003-02-04 | 2004-08-05 | Ls-Medcap Gmbh | Filtervorrichtung |
EP1802704B1 (de) | 2004-10-04 | 2014-11-12 | Solvay Specialty Polymers USA, LLC. | Hochleistungsfähige membranen, herstellungsverfahren dafür und verwendung davon |
US7854847B2 (en) * | 2006-11-09 | 2010-12-21 | Rayonier Trs Holdings Inc. | Process of purifying wood pulp with caustic-borate solution and recovering the purifying chemical |
US7875176B2 (en) * | 2009-03-06 | 2011-01-25 | Porous Media Corporation | Membrane module for fluid filtration |
EP2411129A4 (de) * | 2009-03-25 | 2013-04-10 | Univ Nanyang Tech | Filter |
CN111921392A (zh) * | 2011-08-05 | 2020-11-13 | 阿科玛股份有限公司 | 聚合物共混物隔膜 |
US9630152B2 (en) * | 2011-09-09 | 2017-04-25 | Asahi Kasei Fibers Corporation | Polyketone porous film |
EP2788107A1 (de) | 2011-12-07 | 2014-10-15 | DuPont Nutrition Biosciences ApS | Nanofiltrationsverfahren mit vorbehandlung zur erhöhung des flusses eines gelösten stoffes |
AU2013315547A1 (en) * | 2012-09-14 | 2015-02-26 | Evoqua Water Technologies Llc | A polymer blend for membranes |
US10224258B2 (en) | 2013-03-22 | 2019-03-05 | Applied Materials, Inc. | Method of curing thermoplastics with microwave energy |
EP3044249B2 (de) * | 2013-09-09 | 2023-09-13 | Basf Se | Polyarylenethersulfon-polymere für membrananwendungen |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3928294A (en) * | 1972-02-22 | 1975-12-23 | Owens Illinois Inc | Biocompatible articles including polymeric membranes having high permeability to gases and uses thereof |
FR2424939B2 (fr) * | 1978-05-03 | 1989-05-05 | Rhone Poulenc Ind | Compositions polymeriques pour membranes |
IL64967A0 (en) * | 1981-03-17 | 1982-04-30 | Aligena Ag | Semipermeable membranes containing modified polysulfones,their manufacture and their use |
DE3149976A1 (de) * | 1981-12-17 | 1983-06-30 | Hoechst Ag, 6230 Frankfurt | Makroporoese asymmetrische hydrophile membran aus synthetischem polymerisat |
JPS5958042A (ja) * | 1982-09-29 | 1984-04-03 | Teijin Ltd | ポリスルホン多孔膜 |
US4906375A (en) * | 1984-07-14 | 1990-03-06 | Fresenius, Ag | Asymmetrical microporous hollow fiber for hemodialysis |
EP0193318B1 (de) * | 1985-02-25 | 1990-12-19 | Tonen Corporation | Mikroporöse Membran aus einem alpha-Olefinpolymer mit Ultrahoch-Molekulargewicht |
JPS6238205A (ja) * | 1985-08-12 | 1987-02-19 | Daicel Chem Ind Ltd | 分離用半透膜 |
US4814082A (en) * | 1986-10-20 | 1989-03-21 | Memtec North America Corporation | Ultrafiltration thin film membranes |
JPS63141610A (ja) * | 1986-12-02 | 1988-06-14 | Fuji Photo Film Co Ltd | 微孔性膜の製造方法 |
US4867881A (en) * | 1987-09-14 | 1989-09-19 | Minnesota Minning And Manufacturing Company | Orientied microporous film |
-
1991
- 1991-08-19 US US07/746,696 patent/US5279739A/en not_active Expired - Fee Related
-
1992
- 1992-06-17 NZ NZ243182A patent/NZ243182A/en unknown
- 1992-06-18 CA CA002071559A patent/CA2071559A1/en not_active Abandoned
- 1992-06-22 AU AU18425/92A patent/AU644966B2/en not_active Ceased
- 1992-08-04 EP EP92307131A patent/EP0528582B1/de not_active Revoked
- 1992-08-04 DE DE69227552T patent/DE69227552T2/de not_active Expired - Fee Related
- 1992-08-04 DK DK92307131T patent/DK0528582T3/da active
- 1992-08-04 AT AT92307131T patent/ATE173178T1/de not_active IP Right Cessation
- 1992-08-11 JP JP21383992A patent/JP3215512B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
DK0528582T3 (da) | 1999-07-26 |
NZ243182A (en) | 1994-10-26 |
JPH06165924A (ja) | 1994-06-14 |
DE69227552T2 (de) | 1999-04-29 |
ATE173178T1 (de) | 1998-11-15 |
EP0528582B1 (de) | 1998-11-11 |
AU644966B2 (en) | 1993-12-23 |
AU1842592A (en) | 1993-02-25 |
EP0528582A1 (de) | 1993-02-24 |
JP3215512B2 (ja) | 2001-10-09 |
US5279739A (en) | 1994-01-18 |
CA2071559A1 (en) | 1993-02-20 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8363 | Opposition against the patent | ||
8339 | Ceased/non-payment of the annual fee |